Primitive Asteroid Ryugu A Porous Rubble Pile

Ryuga
Credit: JAXA
New research based on the Japan Aerospace Exploration Agency’s (JAXA) Hayabusa 2 asteroid sample return mission has revealed the surface of the asteroid Ryugu is composed of a sand-like, cohesionless material, making it essentially a “rubble pile” in space. By combining that conclusion with models...
Mark Carreau

Mark is based in Houston, where he has written on aerospace for more than 25 years. While at the Houston Chronicle, he was recognized by the Rotary National Award for Space Achievement Foundation in 2006 for his professional contributions to the public understanding of America's space program through news reporting.

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